Distributed Database Systems (DDBS) may be defined as integrated database systems composed of autonomous local databases, geographically distributed and interconnected by a computer network.The purpose of this monograph is to present DDBS concurrency control algorithms and their related performance issues. The most recent results have been taken into consideration. A detailed analysis and selection of these results has been made so as to include those which will promote applications and progress in the field. The application of the methods and algorithms presented is not limited to DDBSs but also relates to centralized database systems and to database machines which can often be considered as particular examples of DDBSs.The first part of the book is devoted to basic definitions and models: the distributed database model, the transaction model and the syntactic and semantic concurrency control models. The second discusses concurrency control methods in monoversion DDBSs: the locking method, the timestamp ordering method, the validation method and hybrid methods. For each method the concept, the basic algorithms, a hierarchical version of the basic algorithms, and methods for avoiding performance failures are given. The third section covers concurrency control methods in multiversion DDBSs and the fourth, methods for the semantic concurrency model. The last part concerns performance issues of DDBSs.The book is intended primarily for DDBMS designers, but is also of use to those who are engaged in the design and management of databases in general, as well as in problems of distributed system management such as distributed operating systems and computer networks.
Proceedings of the Third International Workshop on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems, January 18-20, 1995, Durham, North Carolina
Proceedings of the Third International Workshop on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems, January 18-20, 1995, Durham, North Carolina
The proceedings of the January 1995 workshop, held to discuss modeling and analysis of computer and communication systems, comprise papers in honor of Edward G. Coffman, Jr., and regular papers submitted for consideration. Sessions are devoted to systems; queueing systems; networking; distributed simulation; multiprocessor architecture; distributed systems; modeling techniques; parallel systems; processor, network and system simulation; optimizing parallel programs; systems modeling; Petri nets, neural networks and genetic algorithms; and real time; and a session in honor of E.G. Coffman, Jr.'s 60th birthday. No index. Annotation copyright by Book News, Inc., Portland, OR.
Institute of Electrical & Electronics Engineers(IEEE)
Published Date
ISBN 10
0818669020
ISBN 13
9780818669026
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